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Continue ReadingRise of New LinkedIn by Numbers
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Continue ReadingEmployee Recognition By The Numbers
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Continue ReadingC++: Happy Numbers
From Wikipedia, the free encyclopedia: A happy number is defined by the following process. Starting with any positive integer, replace the number
Continue ReadingC++: Catalan Numbers
Catalan numbers are a sequence of numbers which can be defined directly: Or recursively: Or alternatively (also recursive):
Continue ReadingC++: Kaprekar Numbers
A positive integer is a Kaprekar number if: It is 1 The decimal representation of its square may be split once into two parts consisting of po
Continue ReadingC++: Luhn Test of Credit Card Numbers
The Luhn test is used by some credit card companies to distinguish valid credit card numbers from what could be a random selection of digits. Those
Continue ReadingC++: Input/Output for Pairs of Numbers
From lines of input starting with a line containing the numbers of pairs to follows, followed by that number of pairs of integers separated by a space
Continue ReadingC++: Ludic Numbers
Ludic numbers are related to prime numbers as they are generated by a sieve quite like the Sieve of Eratosthenes is used to generate prime numbers.
Continue ReadingTwitter by the Numbers: Some Interesting Stats
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